British soul singer and Grammy award winner Amy Winehouse passed away at her home in London on Saturday, July 23 at age 27. Known for her hit "Rehab," other stars took to their Twitter to express their sadness over her sudden death.
Demi Lovato: So sad. Unfortunately the world lost an incredibly talented woman to such a powerful disease: addiction. RIP.
Usher: I'm so sad to hear the horrible news of Amy Winehouse's death. I'm so happy I knew you Amy. Rest well. Gone too soon. We'll miss you!
Rihanna: Dear God have mercy! I am sick about this right now! I am genuinely heartbroken about this.
Kim Kardashian: What a true talent. I pray she's in a better place & at peace.
Nicki Minaj: Please tell me Amy Winehouse didn't die. Is this some sick joke?
Lady Gaga: Amy changed pop music forever, I remember knowing there was hope, and feeling not alone because of her. She lived jazz, she lived the blues.
Katy Perry: RIP Amy Winehouse. May she finally find peace.
Kelly Osbourne: I can't even breathe right my now. I'm crying so hard. I just lost one of my best friends. I love you forever Amy & will never forget the real you!
Russell Brand also posted a heartfelt tribute on his website, calling Amy "sweet and peculiar, but most of all vulnerable."
Were you a fan of Amy Winehouse? Leave your kind thoughts for her friends and family below.
Photo: Courtesy of Universial